Harvest Right
Harvest Right Medium Scientific Freeze Dryer
Harvest Right Medium Scientific Freeze Dryer
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Discover the Pharmaceutical Pro Freeze Dryer from Harvest Right — engineered for pharmaceutical and biotech-use, high-capacity trays, reliable vacuum pumps, ideal for freeze drying sensitive materials with precision.
Specifications
Specifications
What's Included
What's Included
The Craze Advantage — Why Canadians Choose Us for Harvest Right
We’re an authorized Harvest Right dealer & repair centre in Canada. Every purchase includes our exclusive free extended warranty and is backed by our Best Price in Canada guarantee.
* Free extended warranty adds 1 extra year labour to the standard 3-year warranty (terms apply).
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Harvest Right’s Pharmaceutical Freeze Dryer removes water from plants and organic compounds while they are in a frozen state. This locks in the freshness of herbs and plants. Their appearance, nutritional content, and potency remain the same as when they were fresh.
Freeze drying completely removes water in about 24 hours. No other preservation method comes close to removing water this quickly. This is important because the longer a harvested plant or compound retains water, the greater the chance it has of spoiling and losing nutrition and potency.
Most water extraction methods destroy enzymes and terpenes because of the heat used in the extraction process. Because the freeze drying process does not use heat to remove water, the enzymes and terpenes in freeze dried products are not destroyed.
Oxygen absorbers can be used to protect packaged foods and organic compounds against spoilage, mold growth, color change, and loss of nutrition. By removing residual oxygen inside packaging to below 0.01%, oxygen absorbers effectively preserve packaged foods without the need for food additives/preservatives and without the need for vacuum sealing.
Key Features & Benefits:
High-capacity freeze drying
Built for heavy use—ideal when you need to process more, faster.
Versatile compatibility:
Freeze-dry fruits, vegetables, meats, seafood, dairy, herbs, complete meals, and more—all in one machine.
Selectable pump types:
Choose from a Premier oil-pump or an oil-free pump depending on your clean-room, lab or food-safe requirements.
Professional reliability:
Designed for serious users who demand consistent performance day after day.
Precise control & quality output:
Freeze-drying helps lock in nutrients, flavor and texture for long-term stability.
Scientific Freeze Dryer Frequently Asked Questions
Q: What is the Harvest Right Pharmaceutical Freeze Dryer and what does it do?
This freeze dryer is designed for processing and preserving plants, herbs, organic compounds, and extracts. According to the manufacturer, it removes water while the materials remain frozen, thus locking in freshness, color, nutrition, and potency.
harvestright.com
Why is freeze-drying better than other methods like air drying or heat drying?
A: The product page states that the process is about 7 times faster than air drying.Since the material is frozen during drying, there is no heat-based damage to enzymes or terpenes, which often occurs with traditional heat extraction methods.
In short: less heat and less water = better preservation.
Q: What kinds of materials is it optimized for?
The machine is described as optimized for “herbs & extracts” and other organic compounds.
If you work with plants, extracts, botanical material, this is the intended use-case.
Q: What are the key features of this freeze dryer?
Completely automatic operation.
Large batch capacities.
Ideal drying temperature control.
These features aim to make the freeze drying process efficient, reliable and suitable for large-volume or semi-industrial use.
Q: What types of problems does it address in processing plants/organic material?
The three main causes of degradation for organic material are: water, heat, and oxygen.
The machine addresses the “water” issue by removing it in a frozen state; the “heat” issue by avoiding high heat; and it mentions the use of oxygen absorbers in packaging to deal with the “oxygen” side.
Q: What kind of vacuum pump does it use, and what maintenance is required?
There is a “Premier Oil Pump” version: it requires an oil change every 20-25 batches (2-3 minutes) and uses Harvest Right oil
There is also an “Oil-Free Pump” version: “No oil”. This means you have a choice of pump type depending on your maintenance preferences.
Q: What kind of throughput / how much can it process?
This large scientific freeze dryer features “large batch capacities”:
Large:
- 1476 sq. in of space
- 2.7 gal (10.2L) holding capacity
Medium:
- 945 sq in of space
- 1.5 GAL (5.7 L) holding capacity
Small:
- 543 sq in of space
- 0.90 GAL (3.4 L)
Q: Is this machine only for food-freeze-drying, or is it suitable for botanical/pharma use?
Yes: it is positioned for more specialised botanical/organic extraction uses rather than just home food storage.
Although the brand is known for home/food freeze drying, this specific model is labelled “Pharmaceutical Freeze Dryer” and is described as “solves many of the problems associated with processing and preserving plants, herbs, and organic compounds.”
Q: What are the physical/material build specifications (e.g., stainless steel)?
The unit features stainless steel construction, which is noted to support cleanability and durability.
Advantages of Freeze Dried Foods
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Freeze Most Foods
Meals and Snacks
Freeze dried entire meals ready to eat in the future.
Fruits and Vegetables
Freeze dry fruits and veggies to add into meals or to eat as a snack.
Desserts and Treats
Freeze dry ice cream and many candies (such as skittles) for something fun to eat for the whole family. -
Better Food Preservation
Unmatched Shelf Life
Preserve foods for up to 25 years.Better Flavour and Quality
Freeze drying preserves up to 97% of the texture, flavour, and nutrition unlike canning.Nutrient Retention
Nearly all nutrients are preserved during the freeze dry process. -
Better Storage and Portability
Storage Options
Freeze Dried Foods can be stores in a variety of ways depending on your needs.Highly Portable
Freeze dried foods weigh far less making storage easier. Bagged freeze dried foods are also far more portable for road trips, hiking, camping or for emergencies should you have to evacuate.
Watch Now: 'Harvest Right' Freeze Dryer Unboxing & Setup
Which freeze dryer do you need?
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Scientific Small
Trays: 5
Tray Space: 543 sq. inches
Dimensions: 17.4″ W x 21.5″ D x 26.8″ H
Weight: 98 lbs
Power: 110V -
Scientific Medium
Trays: 7
Tray Space: 945 sq. inches
Dimensions: 19″ W x 25″ D x 29″ H
Weight: 127 lbs
Power: 110V -
Scientific Large
Trays: 8
Tray Space: 1476 sq. inches
Dimensions: 21.3″ W x 27.5″ D x 31.3″ H
Weight: 150 lbs
Power: 110 volt (NEMA 5-20) outlet. A dedicated 20 amp circuit is required.
FAQ's
How do freeze dryers work?
Freeze dryers work by preserving perishable materials by removing water through a process called freeze drying (or lyophilization). Freeze drying uses the following processes:
Freezing - Items are cooled to a very low temperature (below freezing). This causes the water inside the material to form ice crystals.
Primary Drying (Sublimation) - Pressure in the chamber is reduced (creating a vacuum), and the temperature is slightly raised causing the ice to sublimate. The water goes directly from solid (ice) to vapour (gas) without passing through the liquid phase. This removes around 95% of the water content.
Secondary Drying (Desorption) - The remaining water, bound more tightly to the material, is removed by slightly raising the temperature while maintaining the vacuum. This step eliminates the last 1–5% of moisture content, ensuring the material is thoroughly dried.
What can you freeze in a freeze dryer?
Fruits and Vegetables:
- Strawberries
- Apples
- Bananas
- Blueberries
- Mangoes
- Peaches
- Raspberries
- Peas
- Corn
- Green beans
Meats and Proteins:
- Jerky (freeze-dried meat)
- Freeze-dried cheese
Meals and Snacks:
- Yogurt bites
- Granola with freeze-dried fruits
- Certain freeze-dried soups or meals (if the ingredients are small or can be eaten dry)
Desserts and Treats:
- Freeze-dried ice cream (astronaut ice cream)
- Many candies (especially Skittles)
Are there items you should not put into a freeze dryer?
Yes. Some items are not suitable to freeze dry. Some of these items are high fat, high sugar or are carbonated and include:
- High-Fat Foods such as butter, lard, oils and mayonnaise.
- High-Sugar Foods such as honey, syrups, jams / jellies.
- Alcoholic and Carbonated Beverages
- Pure Chocolate
- Soft Cheeses and Cream Cream
- Certain Candies with gelatin
- Chewing Gum
- Fresh Bread
What are the advantages and disavdantages of freeze drying?
Advantages of Freeze-Drying:
Nutrient Preservation: Freeze-drying retains up to 97% of the nutrients, flavour, and texture of foods, making it a healthy option for long-term storage.
Long Shelf Life: Freeze-dried foods can last for years—often 25 years or more—without refrigeration, making them ideal for emergency preparedness and food storage.
Lightweight and Compact: The removal of moisture makes freeze-dried foods significantly lighter and more compact, which is perfect for camping, hiking, or backpacking.
Versatility: A wide range of foods can be freeze-dried, including fruits, vegetables, meats, and complete meals, allowing for diverse meal options.
Convenient Rehydration: Freeze-dried foods are easy to rehydrate, requiring only water, and they often retain their original texture and flavour after reconstitution.
Disadvantages of Freeze-Drying:
High Initial Cost: Freeze-drying equipment can be expensive, which may not be feasible for everyone.
Time-Consuming Process: The freeze-drying process can take several hours to over a day, depending on the type and quantity of food.
Energy Consumption: Freeze-dryers can consume a significant amount of energy during operation.
Texture Variation: While freeze-drying retains flavour and nutrients, some foods may lose their original texture, making them less appealing to some people.
Requires Pre-Preparation: Foods often need to be pre-prepared (washed, sliced, or cooked) before freeze-drying, which adds an extra step to the process.